# Copyright (c) 2007-2008 The Hewlett-Packard Development Company # All rights reserved. # # The license below extends only to copyright in the software and shall # not be construed as granting a license to any other intellectual # property including but not limited to intellectual property relating # to a hardware implementation of the functionality of the software # licensed hereunder. You may use the software subject to the license # terms below provided that you ensure that this notice is replicated # unmodified and in its entirety in all distributions of the software, # modified or unmodified, in source code or in binary form. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer; # redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution; # neither the name of the copyright holders nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Authors: Gabe Black microcode = ''' # # Regular moves # def macroop MOV_R_MI { limm t1, imm, dataSize=asz ld reg, seg, [1, t0, t1] }; def macroop MOV_MI_R { limm t1, imm, dataSize=asz st reg, seg, [1, t0, t1] }; def macroop MOV_R_R { mov reg, reg, regm }; def macroop MOV_M_R { st reg, seg, sib, disp }; def macroop MOV_P_R { rdip t7 st reg, seg, riprel, disp }; def macroop MOV_R_M { ld reg, seg, sib, disp }; def macroop MOV_R_P { rdip t7 ld reg, seg, riprel, disp }; def macroop MOV_R_I { limm reg, imm }; def macroop MOV_M_I { limm t1, imm st t1, seg, sib, disp }; def macroop MOV_P_I { rdip t7 limm t1, imm st t1, seg, riprel, disp }; # # Sign extending moves # def macroop MOVSXD_R_R { sexti reg, regm, 31 }; def macroop MOVSXD_R_M { ld t1, seg, sib, disp, dataSize=4 sexti reg, t1, 31 }; def macroop MOVSXD_R_P { rdip t7 ld t1, seg, riprel, disp, dataSize=4 sexti reg, t1, 31 }; def macroop MOVSX_B_R_R { mov t1, t1, regm, dataSize=1 sexti reg, t1, 7 }; def macroop MOVSX_B_R_M { ld t1, seg, sib, disp, dataSize=1 sexti reg, t1, 7 }; def macroop MOVSX_B_R_P { rdip t7 ld t1, seg, riprel, disp, dataSize=1 sexti reg, t1, 7 }; def macroop MOVSX_W_R_R { sexti reg, regm, 15 }; def macroop MOVSX_W_R_M { ld reg, seg, sib, disp, dataSize=2 sexti reg, reg, 15 }; def macroop MOVSX_W_R_P { rdip t7 ld reg, seg, riprel, disp, dataSize=2 sexti reg, reg, 15 }; # # Zero extending moves # def macroop MOVZX_B_R_R { mov t1, t1, regm, dataSize=1 zexti reg, t1, 7 }; def macroop MOVZX_B_R_M { ld t1, seg, sib, disp, dataSize=1 zexti reg, t1, 7 }; def macroop MOVZX_B_R_P { rdip t7 ld t1, seg, riprel, disp, dataSize=1 zexti reg, t1, 7 }; def macroop MOVZX_W_R_R { zexti reg, regm, 15 }; def macroop MOVZX_W_R_M { ld t1, seg, sib, disp, dataSize=2 zexti reg, t1, 15 }; def macroop MOVZX_W_R_P { rdip t7 ld t1, seg, riprel, disp, dataSize=2 zexti reg, t1, 15 }; def macroop MOV_C_R { .serialize_after .adjust_env maxOsz wrcr reg, regm }; def macroop MOV_R_C { .serialize_after .adjust_env maxOsz rdcr reg, regm }; def macroop MOV_D_R { .serialize_after .adjust_env maxOsz wrdr reg, regm }; def macroop MOV_R_D { .adjust_env maxOsz rddr reg, regm }; def macroop MOV_R_S { rdsel reg, regm }; def macroop MOV_M_S { rdsel t1, reg st t1, seg, sib, disp, dataSize=2 }; def macroop MOV_P_S { rdip t7 rdsel t1, reg st t1, seg, riprel, disp, dataSize=2 }; def macroop MOV_REAL_S_R { zexti t2, regm, 15, dataSize=8 slli t3, t2, 4, dataSize=8 wrsel reg, regm wrbase reg, t3, dataSize=8 }; def macroop MOV_REAL_S_M { ld t1, seg, sib, disp, dataSize=2 zexti t2, t1, 15, dataSize=8 slli t3, t2, 4, dataSize=8 wrsel reg, t1 wrbase reg, t3, dataSize=8 }; def macroop MOV_REAL_S_P { panic "RIP relative addressing shouldn't happen in real mode" }; def macroop MOV_S_R { andi t0, regm, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, regm, 0xF8, dataSize=8 andi t0, regm, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks regm, t3, dataSize=8 wrdl reg, t3, regm wrsel reg, regm }; def macroop MOV_S_M { ld t1, seg, sib, disp, dataSize=2 andi t0, t1, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, t1, 0xF8, dataSize=8 andi t0, t1, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks t1, t3, dataSize=8 wrdl reg, t3, t1 wrsel reg, t1 }; def macroop MOV_S_P { rdip t7 ld t1, seg, riprel, disp, dataSize=2 andi t0, t1, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, t1, 0xF8, dataSize=8 andi t0, t1, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks t1, t3, dataSize=8 wrdl reg, t3, t1 wrsel reg, t1 }; def macroop MOVSS_S_R { andi t0, regm, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, regm, 0xF8, dataSize=8 andi t0, regm, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks regm, t3, SSCheck, dataSize=8 wrdl reg, t3, regm wrsel reg, regm }; def macroop MOVSS_S_M { ld t1, seg, sib, disp, dataSize=2 andi t0, t1, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, t1, 0xF8, dataSize=8 andi t0, t1, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks t1, t3, SSCheck, dataSize=8 wrdl reg, t3, t1 wrsel reg, t1 }; def macroop MOVSS_S_P { rdip t7 ld t1, seg, riprel, disp, dataSize=2 andi t0, t1, 0xFC, flags=(EZF,), dataSize=2 br label("processDescriptor"), flags=(CEZF,) andi t2, t1, 0xF8, dataSize=8 andi t0, t1, 0x4, flags=(EZF,), dataSize=2 br label("globalDescriptor"), flags=(CEZF,) ld t3, tsl, [1, t0, t2], dataSize=8, addressSize=8 br label("processDescriptor") globalDescriptor: ld t3, tsg, [1, t0, t2], dataSize=8, addressSize=8 processDescriptor: chks t1, t3, SSCheck, dataSize=8 wrdl reg, t3, t1 wrsel reg, t1 }; def macroop MOVNTI_M_R { st reg, seg, sib, disp }; def macroop MOVNTI_P_R { rdip t7 st reg, seg, riprel, disp }; def macroop MOVD_XMM_R { mov2fp xmml, regm, srcSize=dsz, destSize=8 lfpimm xmmh, 0 }; def macroop MOVD_XMM_M { ldfp xmml, seg, sib, disp, dataSize=dsz lfpimm xmmh, 0 }; def macroop MOVD_XMM_P { rdip t7 ldfp xmml, seg, riprel, disp, dataSize=dsz lfpimm xmmh, 0 }; def macroop MOVD_R_XMM { mov2int reg, xmmlm, size=dsz }; def macroop MOVD_M_XMM { stfp xmml, seg, sib, disp, dataSize=dsz }; def macroop MOVD_P_XMM { rdip t7 stfp xmml, seg, riprel, disp, dataSize=dsz }; ''' #let {{ # class MOVD(Inst): # "GenFault ${new UnimpInstFault}" #}};